Over the second half of this decade the water sector faces unprecedented challenges which require a radically different way of looking at investment strategies and ways of working. However, Ofwat’s blueprint for spending plans between 2025 and 2030 offers few signs of genuinely new approaches. Ruth Williams assesses where the regulator’s final methodology for PR24 could have been bolder and what it says about where Ofwat will throw its weight in the next five-year period.